CN110169225A - A kind of lateral canal ecology diafiltration engineering system changing soil alkaline - Google Patents
A kind of lateral canal ecology diafiltration engineering system changing soil alkaline Download PDFInfo
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- CN110169225A CN110169225A CN201910510405.2A CN201910510405A CN110169225A CN 110169225 A CN110169225 A CN 110169225A CN 201910510405 A CN201910510405 A CN 201910510405A CN 110169225 A CN110169225 A CN 110169225A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B77/00—Machines for lifting and treating soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of lateral canal ecologies for changing soil alkaline to be percolated engineering system, and by the way of the improvement soil alkaline that physics, chemistry, biology, engineering and plant combine, wherein physics mode is mainly washing salinity by irrigation, water and soil linkage；Chemical mode is mainly desulfurized gypsum improvement soil；Engineering mode is mainly place surrounding plant shrub at shape is enclosed, can be windproof every salt, in favor of plant growth；Biological mode mainly uses garden waste to improve soil, while earthworm is introduced in plant pit, to build up fertility；Plant mode is mainly selected salt-tolerant plant, inhales salt plant, realizes drop alkali cleaning salt.It is combined by the above-mentioned means, the present invention is improved using soil alkaline with greening, is suitable for alkaline land improving and afforests, can obviously improve the physicochemical property of soil, have many advantages, such as construction is simple, efficiently convenient, quick, with promotional value.
Description
Technical field
The present invention relates to alkaline land improvings to administer field, is percolated more particularly to a kind of lateral canal ecology for changing soil alkaline
Engineering system.
Background technique
Soil is the basis that green plants depends on for existence, it provides nutrient, moisture and physics, chemical item for plant growth
Part.The situation of soil directly affects the surviving of plant, the speed of growth and growth quality.But salt affected soil is due to containing excessively high alkali
Property salts substances, lead to excessively high osmotic pressure, and plant soma is difficult to absorb the moisture in soil, and plant nutrient is caused to lack of proper care,
Plant growth is endangered larger.
Currently, the method for domestic alkaline land improving is broadly divided into physically improved and biological modification.Physically improved method by
In traditional water conservancy and agriculture project measure, lowering of watertable, after making the saline and alkaline dissolution in soil using " broad irrigation " mode
Discharge system can weaken salinity in the accumulation of upper soll layer.Biological modification main method has rice cultivation, plantation saline-alkali tolerant to make
Object, using technologies such as microbial manures, with low in cost, effect is lasting, it is resource-effective the features such as.On the one hand salt bacterium is bitten to exist
A part of salinity can be also accumulated in the case of tolerance basicity more with high salt, but microorganism can not be transferred out from soil, microorganism
Vital movement all in salt affected soil, cause saline and alkaline not have tangible variation.On the other hand, the organic matter water of salt affected soil
It is flat universal relatively low, the growth of plant is also restricted, and then influence improved effect.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of lateral canal ecologies for changing soil alkaline to be percolated engineering system,
It can be realized the quick improvement of salt affected soil and answer green.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides and a kind of changes soil alkaline
Lateral canal ecology is percolated engineering system, including lateral canal of pouring water, draining lateral canal, arbor region, shrub region, ground cover plant area
Domain, branch canal of pouring water, draining branch canal and water supply component, the ground cover plant region be it is multiple, the shrub region is around described
The setting of ground cover plant region, the arbor region are arranged around the shrub region, pour water lateral canal and the water supply
Component communicates, and the lateral canal of pouring water is horizontally installed in the lateral canal ecology diafiltration engineering system for changing soil alkaline and is located at
Between multiple ground cover plant regions, the ground cover plant region is communicated by the branch canal of pouring water with the lateral canal of pouring water and is set
It sets, the draining lateral canal is located at the periphery of the lateral canal ecology diafiltration engineering system for changing soil alkaline, the ground cover plant
Region communicates setting by the draining branch canal with the draining lateral canal.
In a preferred embodiment of the present invention, the arbor region, the shrub region and the ground cover plant
The area ratio in region is 1:2:7；The ground cover plant planted on the ground cover plant region is Portulaca grandilora, Festuca Arundinacea and rye
Grass, using seed broadcast mode, the shrub planted on the shrub region is oleander, false indigo and Hibiscus hamabo, the arbor
The arbor planted on region is metasequoia and dry land willow.
In a preferred embodiment of the present invention, the lateral canal ecology diafiltration engineering system for changing soil alkaline further includes
First gate and the second gate, first gate locating the ground cover plant region and it is described draining branch canal junction,
Second gate locating is in the junction of the pour water lateral canal and the branch canal of pouring water.
In a preferred embodiment of the present invention, the lateral canal ecology diafiltration engineering system for changing soil alkaline further includes
The junction of the pour water lateral canal and the draining lateral canal is arranged in overflow plate, the overflow plate.
In a preferred embodiment of the present invention, the lateral canal ecology diafiltration engineering system for changing soil alkaline further includes
Plastic foil, the plastic foil are layed in the lateral canal ecology diafiltration engineering system for changing soil alkaline.
In a preferred embodiment of the present invention, the water supply component includes collecting-tank and elevator pump, the elevator pump one
End is communicated with water inlet, and the other end is communicated with the collecting-tank, and the collecting-tank is communicated with the lateral canal of pouring water.
In a preferred embodiment of the present invention, the width of the lateral canal of pouring water and depth are 1.0m × 0.6m, the branch of pouring water
The width and depth of canal are 0.6m × 0.7m, and the width and depth of the draining branch canal are 0.6m × 0.8m, the width and depth of the draining lateral canal
For 1.0m × 1.0m.
In a preferred embodiment of the present invention, the lateral canal ecology diafiltration engineering system for changing soil alkaline further includes
It levels land and water source point selection, described level land is smooth crude salt alkaline earth, to the appropriate scarifying of the hardened soil body, and removes table
The lower bulk solid waste of layer, crude salt alkaline earth each soil layer not mix or upset, the water source point selection is nearest selection water
Source access point, water body salinity < 1 g kg in nonsaline-alkali soil area-1Or in saline-alkali soil area water body salinity < 2 g
kg-1。
In a preferred embodiment of the present invention, the lateral canal ecology diafiltration engineering system for changing soil alkaline further includes
Using chemical mode, the chemical mode is that desulfurized gypsum is added, and the amount of application of the desulfurized gypsum is the 1-2% of soil weight, described
The application depth of desulfurized gypsum is not less than 20cm.
In a preferred embodiment of the present invention, the lateral canal ecology diafiltration engineering system for changing soil alkaline further includes
Using biological mode, the biological mode is that garden waste is added, in the arbor region and the shrub region
Launch earthworm.
The beneficial effects of the present invention are: the lateral canal ecology of change soil alkaline of the invention is percolated engineering system, for existing
Stage salt affected soil modification method is single and limitation, the conditioned soil combined using physics, chemistry, biology, engineering and plant
The saline and alkaline mode of earth is able to achieve the optimization to soil constituent, the improvement of soil texture, the transformation for filling drainage system and saline-alkali tolerant and plants
Object is introduced a fine variety, and is improved to soil alkaline and is combined with greening, is suitable for alkaline land improving and is afforested, can obviously improve the physics and chemistry of soil
Property, have many advantages, such as construction is simple, efficiently it is convenient, quick, have promotional value.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is that the lateral canal ecology diafiltration engineering department of change soil alkaline of the invention unifies the structural schematic diagram of preferred embodiment.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention changes the lateral canal ecology diafiltration engineering system of soil alkaline in the requirement with water source point selection of leveling land
Are as follows: smooth crude salt alkaline earth, to the hardened soil body appropriate scarifying, and bulk solid waste under desurfacing, although note that each soil layer
It not mix or upset；Selection water source access point nearby, and guarantee water body salinity < 1 g kg-1(nonsaline-alkali soil area)
Or < 2 g kg-1(saline-alkali soil area), is laid with pipeline, is drawn water using power hoisting way.
The lateral canal ecology diafiltration engineering system for changing soil alkaline uses physics, chemistry, biology, engineering and plant phase
In conjunction with improvement soil alkaline mode, wherein physics mode is mainly washing salinity by irrigation, water and soil linkage；Chemical mode is predominantly de-
Sulphur gypsum improvement soil；Engineering mode is mainly place surrounding plant shrub at shape is enclosed, can be windproof every salt, in favor of plant
Growth；Biological mode introduces earthworm mainly using addition garden waste in plant pit, to build up fertility；Plant mode
Predominantly selected salt-tolerant plant inhales salt plant, realizes drop alkali cleaning salt.
Referring to Fig. 1, providing a kind of lateral canal ecology diafiltration engineering system for changing soil alkaline, including lateral canal 1 of pouring water, row
Bucket canal 2, arbor region 3, shrub region 4, ground cover plant region 5, branch canal 6 of pouring water, draining branch canal 7, the first gate 8,
Second gate, overflow plate 9 and water supply component.The ground cover plant region 5 be it is multiple, the shrub region 4 is around describedly
It is arranged by plant regional 5, the arbor region 3 is arranged around the shrub region 4.It can be on the shrub region 4
Shrub is transplanted, arbor can be transplanted on the arbor region 3, the ground cover plant region 5 can plant ground cover plant.Ground quilt
Portulaca grandilora, Festuca Arundinacea and rye grass may be selected in plant, and using seed broadcast mode, oleander, false indigo and sea is may be selected in shrub
Metasequoia and dry land willow, shrub and arbor may be selected using plant pit transplanting in the shore rose of Sharon, arbor, and in the shrub region 4 and described
3 surface layer of arbor region carries out covering sand.The shrub region 4 and the arbor region 3 at enclosing shape, can radix saposhnikoviae every salt,
In favor of plant growth, centre is the ground cover plant region 5.The arbor region 3, the shrub region 4 and described
The area ratio in ground cover plant region 5 is 1:2:7.The mode that this shrub surrounds is properly termed as " field with "nine squares" set is planted ".
The water supply component includes collecting-tank 10 and elevator pump 11, and described 11 one end of elevator pump is communicated with water inlet, the other end
It is communicated with the collecting-tank 10, the collecting-tank 10 is communicated with the lateral canal 1 of pouring water, i.e., described pour water lateral canal 1 and the water supply
Component communicates, and the water supply component can supply water to the lateral canal 1 of pouring water.According to the limitation of site topography, it may be considered that
Using the water extraction way of elevator pump 11, irrigation water enters in the collecting-tank 10 after the elevator pump 11 promotion, described to catchment
Pond 10 can play buffering and efficiency and function.
The lateral canal 1 of pouring water is horizontally installed in the lateral canal ecology diafiltration engineering system for changing soil alkaline and is located at
Between multiple ground cover plant regions 5, it is normally at the middle position in place, place is divided into multiple ground cover plants
Region 5.The ground cover plant region 5 communicates setting by the branch canal 6 of pouring water with the lateral canal 1 of pouring water.The draining lateral canal 2
Positioned at the periphery of the lateral canal ecology diafiltration engineering system for changing soil alkaline, i.e., it is arranged in place surrounding, is planted describedly
Object area 5 communicates setting by the draining branch canal 7 with the draining lateral canal 2.In the lateral canal ecology for changing soil alkaline
It is equipped with plastic foil in diafiltration engineering system, this plastic foil can prevent during the salinity in soil is dissolved in and pouring water.The change soil
Monolithic Division area is 5000m in the saline and alkaline lateral canal ecology diafiltration engineering system of earth2~10000m2, make entirely to be improved saline and alkaline
Ground engineering is made of multi-disc block, and pour water branch canal 6 and the draining progress washing salinity by irrigation of branch canal 7 are accessed inside each block.
It is described to pour water lateral canal 1 and the junction for pouring water branch canal 6 is provided with second gate, it being capable of Controlled irrigation bucket
Canal 1 flows into the water in plot by the branch canal 6 of pouring water.In the junction in the ground cover plant region 5 and the draining branch canal 7
It is provided with first gate 8, the height of first gate 8 is maintained to control the depth of water in the ground cover plant region 5
Subject to 20cm, after water level is more than the topnotch of first gate 8, extra water can be from the top of first gate 8
Overflow is into the draining branch canal 7.It is described pour water lateral canal 1 and it is described draining lateral canal 2 junction be provided with overflow plate 9, energy
It is enough to guarantee there is big flow water encountering rainfall or emergency case when the lateral canal ecology diafiltration engineering system for changing soil alkaline
When remittance, after water level is more than the topnotch of the overflow plate 9, extra water can from the top overflow of the overflow plate 9 into
In the draining lateral canal 2.
The lateral canal ecology diafiltration engineering system for changing soil alkaline passes through lateral canal 1 of pouring water, draining lateral canal 2, branch of pouring water
The setting of canal 6, draining branch canal 7, the first gate 8, overflow plate 9 and water supply component carries out washing salinity by irrigation, can utilize system periphery
The abundant advantage of freshwater resources establishes the isolated lateral canal system of the row of filling in the venue, carries out the washing salinity by irrigation of big flow.The filling
Bucket canal 1, the draining lateral canal 2, the branch canal 6 of pouring water, the draining branch canal 7 are able to achieve gravity stream there are certain height difference
Fill draining.The width and depth of the lateral canal 1 of pouring water are 1.0m × 0.6m, and the width and depth of the branch canal 6 of pouring water are 0.6m × 0.7m, institute
The width and depth for stating draining branch canal 7 are 0.6m × 0.8m, and the width and depth of the draining lateral canal 2 are 1.0m × 1.0m.The change soil
The filling draining drop alkali that the saline and alkaline lateral canal ecology diafiltration engineering system of earth carries out big flow before planting technique desalts, and subsequent place is multiple
After green, the row's of filling lateral canal be may also function as in addition to regularly washing salinity by irrigation to plant watering maintenance action.
The chemical mode is using Inorganic Modified Material, and the Inorganic Modified Material is desulfurized gypsum, utilizes desulfurization stone
The calcium ion of cream exchanges the replaceability sodium ion on soil colloid, and sodium ion is made to enter the soil liquid from soil colloid transfer,
With irrigation water discharge system.The amount of application of the desulfurized gypsum is the 1-2% of soil weight, in the present embodiment, in subsequent planting site quilt
Sovolin soil weight is 270kg/m in the saline-alkali soil of plant2, desulfurized gypsum amount of application is 5kg/m2.Desulfurized gypsum is spread on table by amount of application
Layer, is ploughed under in soil, and depth is not less than 20cm.
The biological mode includes using garden waste, is organic media, macerates heap curing by the branch fallen leaves trimmed
Into organic improving material, to carry out the improvement of soil.During subsequent seed broadcasts ground cover plant, the ground cover plant area
Saline-alkali soil and former planting soil in domain 5 are that 1:4 is configured to Nutrition Soil by volume, during subsequent plant arbor, shrub,
The saline-alkali soil of the arbor region 3 and the shrub region 4 and former planting soil are that 1:4 is configured to Nutrition Soil by volume.
Garden waste will be sufficiently mixed with former planting soil.Earthworm is launched in the arbor region 3 and the shrub region 4 simultaneously
Earthworm increases the permeability and fertility of soil by the vital movement of earthworm.Specifically at least 80/square are added in topsoil
The earthworm of rice, and cow dung is mixed and stirred, spread straw.Quantity is inspected periodically, and is increased in due course according to earthworm survival condition and launches earthworm
Quantity.In salt affected soil lower layer application desulfurized gypsum, simultaneously mix is uniform, and garden waste is applied in upper layer soil, and is mixed with undisturbed soil
It closes uniform.
The present embodiment encloses the dregs emergency consumption region in area west side in Shanghai City pudong airport 3#, and about 6000 ㎡ of area is
The demonstrative project of one scientific research property.
Early period is small a possibility that soil quality assessment shows spontaneous recovery vegetation, and surface soil alkalinity is strong, salt content height is first
The obstruction factor wanted, organic matter and total nitrogen content are also main obstruction factor.Method particularly includes:
(1) irrigation and drainage system with functions setting and washing salinity by irrigation
Excavation, which is poured water, lateral canal 1 and pours water branch canal 6, and using thick plastic film, utilizing elevator pump 11 is diesel pump for antiseepage in canal
It extracts enveloping field river fresh water and enters lateral canal 1 of pouring water, branch canal 6 of pouring water is set along 1 direction two sides of lateral canal of pouring water, fresh water is guided to enter two sides
Project plot.Draining lateral canal 2 and draining branch canal 7 are excavated, project plot soil inner salt alkali soluble enters water body, opens the first gate 8 and puts
Water enters draining branch canal 7, then flows into draining lateral canal 2, and realizing reduces saline and alkaline purpose in soil.1 water of the row of filling weekly, continuous 8
All left and right washings salinity by irrigation.
(2) organic-inorganic material improves salt affected soil
Using organic improving material, that is, garden waste of organic material fermentation reactor system, Inorganic Modified Material (desulfurized gypsum) and kind
Soil proportion is planted into Nutrition Soil, is backfilled in ground cover plant region 5, arbor region 3, shrub region 4.
(3) tall shrub screening and adaptability comparative studies
Arbor, shrub, each 2 ~ 3 kinds of draft are selected, comparing, filtering out is suitable for enclosing the emergency consumption of area's dregs in pudong airport 3#
The tall shrub of the grown on soil of engineering.
(4) plant pit adds earthworm etc. to increase soil fertility research
Earthworm is added in concrete plant pit, cow dung, spreads straw, is compared with the arbor for not doing concrete plant pit, carries out soil
The comparative studies of fertility.
Embodiment result:
Project Areas salt affected soil is through comprehensive improvement latter year, and indices are in the range of afforestation Soil standard requires, item
Answer green work well to mesh.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of lateral canal ecology for changing soil alkaline is percolated engineering system, which is characterized in that including lateral canal of pouring water, drain bucket
Canal, arbor region, shrub region, ground cover plant region, branch canal of pouring water, draining branch canal and water supply component, are planted describedly
Object area be it is multiple, the shrub region is arranged around the ground cover plant region, and the arbor region is around the filling
The wooden region setting, the lateral canal of pouring water are communicated with the water supply component, and the lateral canal of pouring water is horizontally installed on the change soil
In the saline and alkaline lateral canal ecology diafiltration engineering system of earth and between multiple ground cover plant regions, the ground cover plant region
Setting is communicated by the branch canal of pouring water with the lateral canal of pouring water, the draining lateral canal is located at the lateral canal for changing soil alkaline
The periphery of ecology diafiltration engineering system, the ground cover plant region is communicated by the draining branch canal with the draining lateral canal and is set
It sets.
2. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that Qiao
The area ratio of the wooden region, the shrub region and the ground cover plant region is 1:2:7；It is planted on the ground cover plant region
The ground cover plant of plant is Portulaca grandilora, Festuca Arundinacea and rye grass, using seed broadcast mode, the filling planted on the shrub region
Wood is oleander, false indigo and Hibiscus hamabo, and the arbor planted on the arbor region is metasequoia and dry land willow.
3. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that described to change
The lateral canal ecology diafiltration engineering system for becoming soil alkaline further includes the first gate and the second gate, and first gate locating is in institute
State the junction in ground cover plant region and the draining branch canal, second gate locating lateral canal and described is poured water in described pour water
The junction of branch canal.
4. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that described to change
The lateral canal ecology diafiltration engineering system for becoming soil alkaline further includes overflow plate, and the overflow plate is arranged in lateral canal and the institute of pouring water
State the junction of draining lateral canal.
5. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that described to change
The lateral canal ecology diafiltration engineering system for becoming soil alkaline further includes plastic foil, and the plastic foil is layed in the change soil alkaline
Lateral canal ecology diafiltration engineering system in.
6. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that the confession
Wet part includes collecting-tank and elevator pump, and described elevator pump one end is communicated with water inlet, and the other end is communicated with the collecting-tank, described
Collecting-tank is communicated with the lateral canal of pouring water.
7. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that the filling
The width and depth of bucket canal are 1.0m × 0.6m, and the width and depth of the branch canal of pouring water are 0.6m × 0.7m, the width of the draining branch canal
It is 0.6m × 0.8m with depth, the width and depth of the draining lateral canal are 1.0m × 1.0m.
8. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that described to change
The lateral canal ecology diafiltration engineering system for becoming soil alkaline further includes leveling land to select with water source point, and described level land is smooth
Crude salt alkaline earth, to the hardened soil body appropriate scarifying, and bulk solid waste under desurfacing, crude salt alkaline earth each soil layer should not
It mixes or upsets, the water source point selection is nearest selection water source access point, water body salinity < 1 g in nonsaline-alkali soil area
kg-1Or in saline-alkali soil area water body salinity < 2 g kg-1。
9. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that described to change
The lateral canal ecology diafiltration engineering system for becoming soil alkaline further includes using chemical mode, and the chemical mode is that desulfurization stone is added
Cream, the amount of application of the desulfurized gypsum are the 1-2% of soil weight, and the application depth of the desulfurized gypsum is not less than 20cm.
10. the lateral canal ecology according to claim 1 for changing soil alkaline is percolated engineering system, which is characterized in that described
The lateral canal ecology diafiltration engineering system for changing soil alkaline further includes using biological mode, and the biological mode is that gardens are added to give up
Gurry launches earthworm in the arbor region and the shrub region.
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